3,244 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,326 increasing their positions, 1,396 reducing their positions, and 147 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

5% less repeat investments, than reductions

Existing positions increased: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
46
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.83B
Puts
$2.51B
Net Calls
Net Calls Change

Top Sellers

1 -$863M
2 -$579M
3 -$452M
4
BlackRock
BlackRock
New York
-$291M
5
Goldman Sachs
Goldman Sachs
New York
-$283M
Name Holding Trade Value Shares
Change
Change in
Stake
Kovitz Investment Group Partners
326
Kovitz Investment Group Partners
Illinois
$30.9M
GT
327
Glenview Trust
Kentucky
$30.8M
CIA
328
Capital Investment Advisors
Georgia
$30.5M
MGP
329
M&G plc
United Kingdom
$30.5M
BCIM
330
British Columbia Investment Management
British Columbia, Canada
$30.3M
Lido Advisors
331
Lido Advisors
California
$30.3M
Federated Hermes
332
Federated Hermes
Pennsylvania
$30.3M
MAM
333
Martingale Asset Management
Massachusetts
$30.2M
TI
334
Tidal Investments
Wisconsin
$30M
LGF
335
LGT Group Foundation
Liechtenstein
$29.9M
LBA
336
Letko, Brosseau & Associates
Quebec, Canada
$29.7M
BPCE
337
Bank Pictet & Cie (Europe)
Germany
$29.3M
NIM
338
NEOS Investment Management
Connecticut
$29.2M
CA
339
Commerzbank Aktiengesellschaft
Germany
$29.1M
Public Sector Pension Investment Board (PSP Investments)
340
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$29.1M
MML Investors Services
341
MML Investors Services
Massachusetts
$29M
CS
342
Cannell & Spears
New York
$29M
CBU
343
CIBC Bancorp USA
Illinois
$29M
NA
344
NewEdge Advisors
Louisiana
$28.6M
WPC
345
Waters Parkerson & Co
Louisiana
$28.6M
GAM
346
Generali Asset Management
Italy
$28.6M
AAM
347
Advisors Asset Management
Colorado
$28.6M
NYLIM
348
New York Life Investment Management
New York
$28.5M
NAM
349
Nissay Asset Management
Japan
$27.8M
HIMC
350
Heritage Investors Management Corp
Maryland
$27.7M